#include <iostream>

using namespace std;

int main ()
{
	double a = 3.141592653589793;
	double b = 3.141592653589792;
	if ( a > b )
	{
		cout << " a > b " << endl;
	}
	if ( a < b )
	{
		cout << " a < b " << endl;
	}
	if ( a >= b )
	{
		cout << " a >= b " << endl;
	}
	if ( a <= b )
	{
		cout << " a <= b " << endl;
	}
	if ( a == b )
	{
		cout << " a == b " << endl;
	}
	cout << a - b << endl;
	return 0;
}
